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The application may be doing too much work on its main thread.

Well, first than nothing, i dont speak english very well. Sorry if i write anithig wrong.

Well, I'm developing an app, and I have several weeks working in this 'project', today I realized that my app have a poor UI, becose, it freeze sometimes, for example when I navigate to another page, or fill a ListView component, and in all pages the consele throw me this: I/Choreographer( xxxx ): Skipped xx frames! The application may be doing too much work on its main thread..

(This example is another ListView Component, don't is the ListView Component of the Second Gif)

To call a Page, i do this now:private void mc_btn_sinCuentaAsync(object obj){Application.Current.MainPage.Navigation.PushAsync(new mdp());}
(When i press the button using the method to call another page in that way the page don't load and the app stay in blank. I can return press the back button)

I don't knows how solve these problems i was searching in internet but don't finnded(or find - I don't knows how write it, sorry) nothig that help me.. I need knows how if use Await and Task or Device.BeginInvokeOnMainThread. I'm new with C# and for that i don't know use it very well.

I would like a example about the use of best performance to CrossPlatform App.. please help me

And for this is my third gif. With my first form mentioned: private void mc_btn_sinCuentaAsync(object obj){Application.Current.MainPage.Navigation.PushAsync(new mdp());}
The page open nice and show the content, but very slow.

Well if somebody have the same problem, I "solved" this doing the next:

Wiht the slow scroll I used the ListViewCachingStrategy and set them with RecycleElement. And my ListView Scroll have a fluid scroll now.

And The another problem of the app slow when I Press a button, I set a Page with a ActivityIndicator, and in my viewnidel I used a isBusy Property, when the page load the ActivityIndicator set isVisible = false;

I'm having the same problem with theI/Choreographer(xxxxx): Skipped xxx frames! The application may be doing too much work on its main thread.

But i don't knows how solved it.. I'm using async-await Task.Run wiht my ListViews but.. THE SAME... if Anyone can give me recommendations for solved this problems in a app Xamarin CrossPlatform, amazing.